Audi S3 8P 3-door - Turbo-Back Exhaust System with Hi-Flow Sports Catalyst with Ceramic Black Trims Part_Tailpipe this new valved system has

this new valved system has been specially developed to integrate with the CUPRA Drive modes

creating a noticeably enhanced and balanced look to the rear of the M3 with a choice of quad 3

The M4 development has been based around a valved turbo back exhaust with the addition of a primary de-cat (catalyst bypass) exhaust upgrade

including the mandatory re-map

Audi S3 8P 3-door - Turbo-Back Exhaust System with Hi-Flow Sports Catalyst with Ceramic Black Trims Part_Tailpipe this new valved system hasThe Milltek Sport Turbo Back range offers performance enhancements for turbo charged vehicle owners looking to tune their vehicles. Providing the turbo with an exhaust system manufactured with enlarged diameter throughout for enhanced gas flow properties for lower back pressure as a result of the reduced restrictions and benefits with the suitably aggressive exhaust sound it deserves. The Milltek Hi Flow Sports Catalyst reduces the restriction over